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UPSC PYQPrelims 2021

Civil Services Examination · Question 65

With reference to recent developments regarding 'Recombinant Vector Vaccines', consider the following statements: 1. Genetic engineering is applied in the development of these vaccines. 2. Bacteria and viruses are used as vectors. Which of the statements given above is/are correct?

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2
Show answer & explanation

Answer: (C) Both 1 and 2

Explanation

Recombinant vector vaccines use genetic engineering to insert antigen genes into attenuated viral or bacterial vectors (e.g., adenovirus-based COVID vaccines).